class_docstr: LJSpeech dataset.
code: def _info(self):
      return self.dataset_info_from_configs(
          features=tfds.features.FeaturesDict(
              {
                  "id": np.str_,
                  "speech": tfds.features.Audio(
                      sample_rate=22050, dtype=np.int16
                  ),
                  "text": tfds.features.Text(),
                  "text_normalized": tfds.features.Text(),
              }
          ),
          supervised_keys=("text_normalized", "speech"),
          homepage=_URL,
          metadata=tfds.core.MetadataDict(sample_rate=22050),
      )
  
file_path: datasets/tensorflow_datasets/datasets/ljspeech/ljspeech_dataset_builder.py
imports: from __future__ import annotations
  import os
  from etils import epath
  import numpy
  import tensorflow_datasets.public_api
label_desc: Use image node_id 1 for calling the Builder obj's underlying member method code with example usage: obj._info() and returns: self